using pathlib based local module import (AtsushiSakai#722)

* using pathlib based local module import

* remove unused import

Author: AtsushiSakai

AerialNavigation/drone_3d_trajectory_following/__init__.py

@@ -1,4 +1,3 @@
-import os
 import sys
-
-sys.path.append(os.path.dirname(os.path.abspath(__file__)))
+import pathlib
+sys.path.append(str(pathlib.Path(__file__).parent))

ArmNavigation/n_joint_arm_3d/__init__.py

@@ -1,3 +1,3 @@
 import sys
-import os
-sys.path.append(os.path.dirname(os.path.abspath(__file__)))
+import pathlib
+sys.path.append(str(pathlib.Path(__file__).parent))

ArmNavigation/n_joint_arm_to_point_control/n_joint_arm_to_point_control.py

@@ -5,11 +5,11 @@
         Atsushi Sakai (@Atsushi_twi)
 """
 
-import numpy as np
 import sys
 from pathlib import Path
 sys.path.append(str(Path(__file__).parent.parent.parent))
 
+import numpy as np
 from ArmNavigation.n_joint_arm_to_point_control.NLinkArm import NLinkArm
 
 # Simulation parameters

ArmNavigation/rrt_star_seven_joint_arm_control/rrt_star_seven_joint_arm_control.py

@@ -3,18 +3,15 @@
 Author: Mahyar Abdeetedal (mahyaret)
 """
 import math
-import os
-import sys
 import random
 import numpy as np
 from mpl_toolkits import mplot3d
 import matplotlib.pyplot as plt
-sys.path.append(os.path.dirname(os.path.abspath(__file__)) +
-                "/../n_joint_arm_3d/")
-try:
-    from NLinkArm3d import NLinkArm
-except ImportError:
-    raise
+import sys
+import pathlib
+sys.path.append(str(pathlib.Path(__file__).parent.parent))
+
+from n_joint_arm_3d.NLinkArm3d import NLinkArm
 
 show_animation = True
 verbose = False

Localization/ensemble_kalman_filter/ensemble_kalman_filter.py

@@ -9,10 +9,9 @@
 (https://rmets.onlinelibrary.wiley.com/doi/10.1256/qj.05.135)
 
 """
-
 import sys
-import os
-sys.path.append(os.path.dirname(os.path.abspath(__file__)) + "/../utils/")
+import pathlib
+sys.path.append(str(pathlib.Path(__file__).parent.parent.parent))
 
 import math
 import matplotlib.pyplot as plt

Localization/extended_kalman_filter/extended_kalman_filter.py

@@ -5,10 +5,9 @@
 author: Atsushi Sakai (@Atsushi_twi)
 
 """
-
 import sys
-import os
-sys.path.append(os.path.dirname(os.path.abspath(__file__)) + "/../utils/")
+import pathlib
+sys.path.append(str(pathlib.Path(__file__).parent.parent.parent))
 
 import math
 import matplotlib.pyplot as plt

Localization/particle_filter/particle_filter.py

@@ -6,8 +6,8 @@
 
 """
 import sys
-import os
-sys.path.append(os.path.dirname(os.path.abspath(__file__)) + "/../utils/")
+import pathlib
+sys.path.append(str(pathlib.Path(__file__).parent.parent.parent))
 
 import math
 

Localization/unscented_kalman_filter/unscented_kalman_filter.py

@@ -7,8 +7,8 @@
 """
 
 import sys
-import os
-sys.path.append(os.path.dirname(os.path.abspath(__file__)) + "/../utils/")
+import pathlib
+sys.path.append(str(pathlib.Path(__file__).parent.parent.parent))
 
 import math
 

Mapping/rectangle_fitting/__init_.py

@@ -1,4 +1,3 @@
-import os
 import sys
-
-sys.path.append(os.path.dirname(os.path.abspath(__file__)))
+import pathlib
+sys.path.append(str(pathlib.Path(__file__).parent))

Mapping/rectangle_fitting/rectangle_fitting.py

@@ -13,9 +13,8 @@
 """
 
 import sys
-import os
-sys.path.append(os.path.dirname(os.path.abspath(__file__)) + "/../utils/")
-
+import pathlib
+sys.path.append(str(pathlib.Path(__file__).parent.parent.parent))
 
 import matplotlib.pyplot as plt
 import numpy as np